<template>
   <div class="tags-view-container">
        <router-link
            class="tags-view-item"
            v-for="(tag, index) in $store.getters.tagsViewList"
            :key="tag.fullPath"
            :class="isActive(tag) ? 'active' : ''"
            :style="{
              backgroundColor: isActive(tag) ? $store.getters.cssVar.menuBg : '',
              borderColor: isActive(tag) ? $store.getters.cssVar.menuBg : ''
            }"            
            :to="{path:tag.fullPath}"
            @contextmenu.prevent="openMenu($event, index)"
        >
            {{ tag.title }}
            <el-icon class="el-icon-close" v-show="!isActive(tag)" @click.prevent.stop="onCloseClick(index)"> 
              <close />
            </el-icon>
        </router-link> 
        <context-menu
          v-show="visible"
          :style="menuStyle"
          :index="selectIndex"
        ></context-menu>
   </div>
</template>

<script setup>
import store from '@/store';
import { ref } from 'vue'
import ContextMenu from './ContextMenu'
import { useRoute } from 'vue-router';
import { watch } from 'vue';


const route = useRoute()

const onCloseClick = index => {
  store.commit('app/removeTagsView',{
    type:'index',
    index
  })
}

const selectIndex = ref(0)
const visible = ref(false)
const menuStyle = ref({
  left:0,
  top:0
})

const openMenu = (e,index) => {
  const {x, y} = e
  menuStyle.value.left = x + 'px'
  menuStyle.value.top = y + 'px'
  selectIndex.value = index
  visible.value = true
  console.log(visible.value)
}
// 是否被选中
const isActive = tag => {
  return tag.path === route.path
}

// 关闭menu
const closeMenu = () => {
  visible.value = false
}

// 监听变化
watch( visible, val => {
  if(val) {
    document.body.addEventListener('click', closeMenu)
  } else {
    document.body.removeEventListener('click', closeMenu)
  }
})

</script>

<style lang="scss" scoped>
.tags-view-container{
    height: 34px;
    width: 100%;
    background: #fff;
    border-bottom: 1px solid #d8dce5;
    box-shadow: 0 1px 3px 0 rgba(0,0,0,0.12),0 0 3px 0 rgba(0,0,0,0.04);
    .tags-view-item {
      display: inline-block;
      position: relative;
      cursor: pointer;
      height: 26px;
      line-height: 26px;
      border: 1px solid #d8dce5;
      color: #495060;
      background: #fff;
      padding: 0 8px;
      font-size: 12px;
      margin-left: 5px;
      margin-top: 4px;
      &:first-of-type {
        margin-left: 15px;
      }
      &:last-of-type {
        margin-right: 15px;
      }
      &.active {
        color: #fff;
        &::before {
          content: '';
          background: #fff;
          display: inline-block;
          width: 8px;
          height: 8px;
          border-radius: 50%;
          position: relative;
          margin-right: 4px;
        }
      }
            // close 按钮
        .el-icon-close {
        width: 16px;
        height: 26px;
        line-height: 26px;
        vertical-align: 0px;
        border-radius: 50%;
        text-align: center;
        transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
        transform-origin: 100% 50%;
        &:before {
          transform: scale(0.6);
          display: inline-block;
          vertical-align: -3px;
        }
        &:hover {
          background-color: #b4bccc;
          color: #fff;
        }
      }  
    }
}
</style>